Features: WHY CHOOSE AlfaView Jeweler Loupe? ✔ Dual Lens Loupes(Primary lens: 30x22mm, Supplementary lens: 60x12mm) ✔ Optical glass lens provides clear view field ✔ Jewelry lupe with 2 bright led light provide sufficient light at any condition. They can be used as a mini torch at night ✔ Folding metal cover protects lens ✔ Coin size is convenient to carry and use anywhere Specification: Material: Aluminum alloy cover, ABS frame, optical glass lens Magnification:30X, 60X Two Lens: Primary lens: 30x22mm Supplementary lens: 60x12mm Illumination: 2pcs LED light Push Switch to Turn On/Off/On two LED light Power Supply: 3 x LR1130 batteries (batteries Include) Color: Sliver Fold Size: about 55x40x28mm Package Size: about 90x62x40mm Net Weight: 35g Package Included: 1 * Pocket Magnifier 1 * User manual How to replace the battery? Inset the key attached to this product into the two holes of battery cover, turn anticlockwise to loosen battery cover, take out the old batteries and then put the new batteries inside, finally turn the cover board clockwise to tighten it.